Pentax Single Phase Stainless Steel Deep Well Pump – 4S100 Series

The Pentax 4S100 Series is a range of single-phase 4-inch stainless steel deep well submersible pumps engineered for efficient water extraction from boreholes, deep wells, reservoirs, and underground water sources. Designed for residential, agricultural, and light commercial applications, the 4S100 Series delivers dependable performance, high efficiency, and long service life in demanding borehole environments.

Constructed with corrosion-resistant stainless-steel components and precision-engineered hydraulic stages, these pumps are ideal for domestic water supply, irrigation systems, livestock watering, water storage tank filling, and rural water distribution projects. The series is specifically designed to operate with Pentax 4-inch submersible motors for optimal performance and reliability.

Key Features

• 4-inch stainless steel deep well pump design
• Suitable for boreholes and deep well installations
• High-efficiency water delivery performance
• Corrosion-resistant stainless-steel construction
• Built-in non-return valve
• Compatible with standard NEMA submersible motors
• Reliable operation in deep water applications
• Compatible with Pentax 4-inch submersible motors

Specifications

• Series: 4S100 Series
• Pump Type: Deep Well Submersible Pump
• Pump Body: Stainless steel
• Pump Diameter: 4″ (100mm)
• Pump Shaft: Stainless Steel
• Installation: Vertical Installation
• Phase: Single
• Voltz: 220-240V
• Frequency: 50Hz
• Outlet: 1
• Delivery Outlet: stainless steel AISI 304
• External Jacket: stainless steel
• Impellers & diffusers: glass filled polycarbonate with wearing rings in stainless steel
• Liquid temperature: max 35 C
• Upper bushings: NBR rubber
• Insulation Class: B
• Protection Degree: IP58

Models

• 4S100-09A – 1HP (0.75KW)

Flow rate: 50~100(L/Min) H: 47~10(m)

• 4S100-18A – 2HP (1.5KW)

Flow rate: 50~100(L/Min) H: 98~25(m)

• 4S100-27A – 3HP (2.2KW)

Flow rate: 50~100(L/Min) H: 141~35(m)

The 4S100 Series is designed for users who require reliable borehole water extraction with the convenience of single-phase power. Its stainless-steel construction provides excellent durability, while the efficient hydraulic design ensures dependable water delivery with reduced operating costs.